My favorite intermission was also 2001. It was at the Rivoli. The moment you realized HAL was eaves dropping the great curtains started to slowly and portentiously close. The projectionist had it perfectly timed. It was shocking and very creepy. I was floored.
At Loew's Jersey it was the first time I was seeing the film and it was the worst reel change I ever saw. They're looking up the sheer cliff then there's a reel change and suddenly they're all at the top. I was literally smiting my forehead.
An intermission is an interruption when a film is designed without one and the theater simply stops it about halfway through at an arbitrary reel change.
When designed well it gives a film heightened tension and anticipation and at the same time a brief rest for the audience to collect its...
I saw it at the Loew's Jersey maybe late 90s early aughts. It was a very good print. More than acceptable for a movie theater. Certainly not an opening day print but I was surprised at how good and enjoyable it was.